A construction company was found guilty by a County Court jury of an incident in which a carpenter survived a fall of almost three metres down an unguarded stairwell void at a construction site in Doncaster in 2011.

An Ocean Grove builder was today convicted and fined $25,000 over an incident in which a plasterer suffered severe spinal injuries and a fractured skull after falling more than two metres from a work platform.

A construction company was last week convicted and fined $50,000 over an incident in which a concrete truck tipped over and seriously injured a worker after unknowingly setting up on top of a temporarily covered ventilation shaft.